Heater



Nov. 8, 1927. 1,648,600

A. F. ZVERlNA HEATER Filed March 22. 1926 2 Sheets-Sheet l //erah Z P/bra INVENTOR W TNE V ATTORNEY W Nov. 8, 1927. 1648 600 A. F. ZVERINA HEATER iled March 22. 1926 2 Sheets-Sheet 2 \NVLNTOR WITNESS: A} IURNEY Patented Nov. 8, 1927.

{STATES ALEXANDER F. EVER-INA, 0F PITTSBURGH, PENIQ'SYLVAN IA.

Application filed March 22, iazej Serial No. 95,595.

This invention relates to improvements in gas heaters or stoves, the general object of ;the invention being-to 'PIOVlCle means for nsuring proper! combustion of theugas so as to make the deviceodorless and prevent the formation of carbon-monoxide;

1 Another object of the invention is to so form the burner and the airnpassage that the minimum amount sof gas is used to heat the device. V -;'Another object of the invention is to so form the "exterior 1 part. ;of.- the-device ;-th at there is -no dangerrof one having his Clothes ignited from the flame .and'also, tomake it claims: 1 .1

possiblejito cookron the device; if desiredp I Th is '11I1V6I113IOI1' also consists 1n gcertam other fGEltllP-ESOfI-COIlSiDIZLlCtlOIl and in the combination and arrangement of the several partsqto behereinafter fully described, illus- "trated in thewaccompanying' drawings and specificallv U pointednout in the appended In describing invention in detail, reference will be had to the, accompany ng drawingswherein like characters denote like or corresponding parts throughout the several views, and in which Figure 1 is afront View of the improved stove or heater, showing the front :door open. 1

- Figure 2-is a vertical sectional view.

Fi ure3 is a viewzof.thebuinernand the coil for supplying fuel to the same V In these views, .1, 2 and 3. indicate three casings which are arranged in spaced relation to form a circuitous air passage for heating the air entering the combustion chamber of the device. This air enters through the openings 4 made in the exterior casing 1 adjacent the bottom thereof and passes upwardly between the casings 1 and 2, over the upper end of the central casing 2 which is made shorter than the other casings and then downwardly between the casings 2 and 3 and passes under said casing 3 which has its lower end spaced from the top plate 5 of the bottom of the device. ,The air then passes upwardly through the casing 3, where it is heated, as will be explained, and passes through the grated open ing 6 in the top 7 of the device. The bottom of the device includes the top plate 5, the bottom plate 8 and the filling 9 of asbestos or the like. The casings 1 and 2 are connected with this bottom, while thecasing 3 is supported by the brackets 10 from the up per plate of the bottom.-

A coil11 is arranged upon the bottom in :the space betweentha casings 2.a;nd 3,; with one end projecting from the device-where .-it

is providedwith a cock. 12, and a nipple 13 so that it can beconnected by a tube to a gas supply. The other endofgthe coil extends within the casing 3.,whereit is co1 1- nected with the burner A which comprises the nozzle 14:,the air mixer 15 andthe burn or head 1. which carries the perforated burner tubes 17 and the depending perforated tube 18v which extends 'downwardlyto a point adjacent the;door 19 of the device jsQnthat' the burner may be ignited by igniting the gas escapingsfromthe perforations V in this tube 18. The flame fr om thistube will ignite the gas escaping fromtheother tubes V A cylindrical container 20 is held in the casing i above the burner by thesupports .21; and said container. has the handles. 22 thereon so that it, can he lifted out by a suitable tool. The bottom of the container is formed of theprojections 23 which carry the rolls 24 ,which are formed of fire resisting material. Blocks 25 of fire resisting saidcontainer may be, lined with fire-resisting material and has-its lower enddepend- :by the flames from the,burner. The projections and rolls act to support the blocks 25 in the container.

A reinforcing ring 26 is placed around the lower end of the device and a depending flange 27 is located at the top of the device and acts to hide the bolts which connect the upper parts of the device together.

From the foregoing, it will be seen that the gas, which may be of any suitable kind, must pass through the coil 11 before reaching the burner so that it is heated before be ing ignited and that the air following the circuitous passage formed by the casings 1, 2 and 3 is also heated before reaching the burner so that the combustion of the gases is promoted to such an extent that noodors or injurious gases will escape from the heater. The blocks 25 will be highly heated so that the air passing from the device will be heated to the maximum extent and with the minimum consumption of gas. By making the exterior of the device as shown in Figure 1, cooking utensils may be placed on the top thereof so that the be material are placed in the, container, and

wan,

used as a cook stove as well as a heater, and as the fiameis entirely enclosed, there is no danger of one having his clothing ignited, by coming in contact with the flames. The con tainer, with its blocks, can be easily removed whenever desired or necessary, and this can be done in order to light the gas at the burner, though I prefer to do this by means of the tube 18' and the door 19. The blocks not only increase the heating properties of the device, but also insure combustion of any unburnt gases passing through them.

The device can use any kind of fuel such as oil, gas, pitch, wood and the like and it can be used in factories, foundries, furnaces, minin blow torches, plumbers furnaces and for other industrial heating purposes.-

It is thought from the foregoing description that the advantages and novel features of my invention will be readily apparent.

I desire it to be understood that I may make changes in the construction and in the combination and arrangement of the several parts provided that such changes fall within the scope of the appended claims.

\Vhat I claim is v 1. A device of the class described comprising a bottom, three upright casings having their lower ends connected with the bottom, the casings being spaced apart with one casing placed between the other two, the intermediate casing terminating short of the other casings, a cover resting on the ends of said other casings and the inner casing having its lower end spaced from the bottom and the outer casing having holes adjacent its lower end so that air will pass from said holes upwardly through the space between the outer and intermediate casings, over the top of the intermediate casing and down through the ing placed between the other two, the intermediate casing terminating short of the other casings, a cover resting on the ends of said other casings and the inner casing having its lower end spaced from the bottom and the outer casing having holes adjacent its lower end so that air will pass from said holes upwardly through the space between the outer and intermediate casings, over the top of the intermediate casing and down through thespace between the intermediate and inner casings and then pass under the lower end of the inner casing and up through said inner casing, the cover having an opening registering with the space formed by the inner casing, a burner in the lower part of the inner casing, a cylindrical container supported in the inner casing with its exterior walls contacting with the internal walls of said casing and the lower end of the container extending below the burner, inwardly extending projections carried by the container and arranged above the burner, blocks of fire resisting material placed on the projections and blocks of fire resisting material supported in the container bythe projections and the before mentioned blocks.

In testimony whereof I aflix my signature.

ALEXANDER F. ZVERINA. 

